/*
* @Author: DELL
* @Date:   2017-08-13 15:47:03
* @Last Modified by:   DELL
* @Last Modified time: 2017-08-13 16:02:43
*/

'use strict';
export function add(x,y){console.log(x+y)}; //按需导出
export function substrict(x,y){console.log(x-y)};
// export default{ 大众写法
//   add,
//   substrict
// };